How many trained fighters are there in the world?

Estimating the exact number of trained fighters globally is challenging due to variations in definitions, training standards, and the lack of comprehensive data. However, it is generally believed that millions of individuals are engaged in various forms of Martial Arts, military training, and professional combat sports like boxing, MMA, and Wrestling. Organizations such as the International Olympic Committee and various martial arts federations contribute to these figures, but precise numbers remain elusive. Ultimately, the total could range from several million to over ten million, depending on the criteria used.